-module(aaa).

-spec f/0 :: () -> atom().
f() ->
  case f() of
    x -> x
  end.

f(X) when is_atom(X) -> x.

f() ->
  "x" ++
    "y" ++
    "z".

g() ->
  1 ++
    1
    ++ 1,
  V = "11"
    ++ term ++
    term
    ++
    term ++
    term ++
    "aaa".